** Shares of Frontier Airlines' parent company, Frontier Group ULCC.O, rise 6% to $6.32 in early trading
** Co is betting on tighter cost controls to support its strategy and strengthen its outlook
** On an adjusted per share basis, it expects a loss of 40 cents to a profit of 50 cents for the year
** Forecasts first-quarter loss of 26 cents to 44 cents per share
** Reports fourth-quarter revenue of $997 million, above Wall Street estimates of $973.56 million, according to data compiled by LSEG
** Co reports adjusted profit of 23 cents per share, compared with estimates of 12 cents
** As of last close, shares up 26.5% YTD
(Reporting by Apratim Sarkar in Bengaluru)
((Apratim.Sarkar@thomsonreuters.com))